... 7 Colorless to yellow liquid PA (Propargyl alcohol) cas no. 107 19-7PA (Propargyl alcohol) nickel electroplating nickel plating intermediateBrightener and long ... ToleranceATPN , SSO3, PN, PZN, FEZX ..Brighter and leveling agent at low area lightPOPDH, PS, POPS,..Low foam wetting agentTC-EHS ... Q75, Propargyl Chloride, Basic Chromic Sulfate, Chromiun Nitrate.... PA (Propargyl alcohol) cas no. 107 19-7